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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 3.2;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
		48	use JSON::XS 2.01 ();
25	use BDB ();	49	use BDB ();
26	use Data::Dumper;	50	use Data::Dumper;
27	use Digest::MD5;	51	use Digest::MD5;
28	use Fcntl;	52	use Fcntl;
29	use YAML::Syck ();	53	use YAML ();
30	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
31	use Time::HiRes;	55	use Time::HiRes;
32	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
33		58
34	# configure various modules to our taste	59	# configure various modules to our taste
35	#	60	#
36	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		64
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		66
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		68
49	our %COMMAND = ();	69	our %COMMAND = ();
50	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
51		71
52	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
56		77
57	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
58	our @EVENT;	79	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
71		93
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	97	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		99
80	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	104	our $DB_ENV;
82		105
83	our %CFG;	106	our %CFG;
84		107
85	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
87		111
88	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
91		115
92	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
94		123
95	binmode STDOUT;	124	binmode STDOUT;
96	binmode STDERR;	125	binmode STDERR;
97		126
98	# read virtual server time, if available	127	# read virtual server time, if available
…		…
139		168
140	=item $cf::TICK	169	=item $cf::TICK
141		170
142	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
143		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
144	=item %cf::CFG	183	=item %cf::CFG
145		184
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	186	from wherever your confdir points to.
148		187
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		189
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	191	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
155	=back	200	=back
156		201
157	=cut	202	=cut
158		203
159	BEGIN {	204	BEGIN {
…		…
161	my $msg = join "", @_;	206	my $msg = join "", @_;
162		207
163	$msg .= "\n"	208	$msg .= "\n"
164	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
165		210
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		212
168	utf8::encode $msg;
169	LOG llevError, $msg;	213	LOG llevError, $msg;
170	};	214	};
171	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
172		231
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		239
180	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	241	# within the Safe compartment.
182	for my $pkg (qw(	242	for my $pkg (qw(
183	cf::global cf::attachable	243	cf::global cf::attachable
…		…
188	)) {	248	)) {
189	no strict 'refs';	249	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	251	}
192		252
193	$Event::DIED = sub {	253	$EV::DIED = sub {
194	warn "error in event callback: @_";	254	warn "error in event callback: @_";
195	};	255	};
		256
		257	#############################################################################
196		258
197	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
198		260
199	=over 4	261	=over 4
200		262
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	282	$d
221	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
222	}	284	}
223		285
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
227		287
228	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
229		289
230	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
231		291
232	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
233		300
234	=item cf::lock_wait $string	301	=item cf::lock_wait $string
235		302
236	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
237		304
…		…
240	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
243	returned.	310	returned.
244		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
245	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
247		317
248	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
249		319
250	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
251		321
252	=cut	322	=cut
253		323
254	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
255		326
256	sub lock_wait($) {	327	sub lock_wait($) {
257	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
258		334
259	# wait for lock, if any	335	# wait for lock, if any
260	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	338	Coro::schedule;
…		…
268		344
269	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
270	lock_wait $key;	346	lock_wait $key;
271		347
272	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
273		350
274	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
277	}	355	}
278	}	356	}
279		357
…		…
282		360
283	! ! $LOCK{$key}	361	! ! $LOCK{$key}
284	}	362	}
285		363
286	sub freeze_mainloop {	364	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
288		366
289	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
290	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
291	};	428	}
292	$TICK_WATCHER->stop;	429	};
293	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
294	}	441	}
295		442
296	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
297		444
298	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		450
304	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
305		452
306	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
307		454
308	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
311		459
312	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
315	fast or be very important.	463	fast or be very important.
…		…
318		466
319	sub sync_job(&) {	467	sub sync_job(&) {
320	my ($job) = @_;	468	my ($job) = @_;
321		469
322	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
323	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
325		475
326	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	477
328	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
329		479
330	my $busy = 1;	480	my $busy = 1;
331	my @res;	481	my @res;
332		482
333	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	485	@res = eval { $job->() };
335	warn $@ if $@;	486	warn $@ if $@;
336	undef $busy;	487	undef $busy;
337	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
338		489
339	while ($busy) {	490	while ($busy) {
340	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
341	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
342		501
343	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
344	} else {	503	} else {
345	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
346		505
…		…
366	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
367		526
368	$coro	527	$coro
369	}	528	}
370		529
371	sub write_runtime {	530	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		531
374	my $runtime = "$LOCALDIR/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
375		536
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
377	or return;
378		538
379	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		541
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
384	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
385		545
386	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	547	reset_signals;
388	and return;	548	&$cb
		549	}, @args;
389		550
390	close $fh	551	wantarray ? @res : $res[-1]
391	or return;	552	}
392		553
393	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
394	and return;
395		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
396	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
397	}	706	}
398		707
399	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
400		709
401	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
421		730
422	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	733	Deliantra).
425		734
426	=over 4	735	=over 4
427		736
428	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
429		738
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
593		902
594	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		907
599	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	909	my $pkg = shift @arg;
601		910
602	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
632	}	941	}
633		942
634	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
635	} else {	944	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	946	}
638		947
639	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
640	}	949	}
641		950
…		…
643	if (ref $_[0]) {	952	if (ref $_[0]) {
644	_object_attach @_;	953	_object_attach @_;
645	} else {	954	} else {
646	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
647	}	956	}
		957	_recalc_want;
648	};	958	};
649		959
650	# all those should be optimised	960	# all those should be optimised
651	sub cf::attachable::detach {	961	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
656	reattach ($obj);	966	reattach ($obj);
657	} else {	967	} else {
658	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
659	}	969	}
		970	_recalc_want;
660	};	971	};
661		972
662	sub cf::attachable::attached {	973	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
664		975
…		…
679	";	990	";
680	die if $@;	991	die if $@;
681	}	992	}
682		993
683	our $override;	994	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		996
686	sub override {	997	sub override {
687	$override = 1;	998	$override = 1;
688	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
689	}	1000	}
690		1001
691	sub do_invoke {	1002	sub do_invoke {
692	my $event = shift;	1003	my $event = shift;
693	my $callbacks = shift;	1004	my $callbacks = shift;
694		1005
695	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
696		1007
697	local $override;	1008	local $override;
698		1009
699	for (@$callbacks) {	1010	for (@$callbacks) {
700	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
709	}	1020	}
710		1021
711	0	1022	0
712	}	1023	}
713		1024
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1026
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1028
718	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
719		1030
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1034
724	=back	1035	=back
725		1036
726	=cut	1037	=cut
727		1038
728	#############################################################################	1039	#############################################################################
729	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
730		1083
731	sub reattach {	1084	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1086	my ($obj) = @_;
734		1087
…		…
755	cf::attachable->attach (	1108	cf::attachable->attach (
756	prio => -1000000,	1109	prio => -1000000,
757	on_instantiate => sub {	1110	on_instantiate => sub {
758	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
759		1112
760	$data = from_json $data;	1113	$data = decode_json $data;
761		1114
762	for (@$data) {	1115	for (@$data) {
763	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
764		1117
765	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1134	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
783		1136
784	sync_job {	1137	sync_job {
785	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
788		1142
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1147	close $fh;
794		1148
795	if (@$objs) {	1149	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1155	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
803	}	1157	}
…		…
811	}	1165	}
812	} else {	1166	} else {
813	aio_unlink $filename;	1167	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
815	}	1169	}
816	}	1170	};
817	}	1171	}
818		1172
819	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
821		1175
…		…
833	or return;	1187	or return;
834		1188
835	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
837	or return;	1191	or return;
		1192
838	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
839	}	1195	}
840		1196
		1197	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
843	return ($data, $av);	1201	($data, $av)
844	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
845		1209
846	#############################################################################	1210	#############################################################################
847	# command handling &c	1211	# command handling &c
848		1212
849	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1227	}
864		1228
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1230
867	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
868		1236
869	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
870	called.	1238	called.
871		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
872	=cut	1251	=cut
873		1252
874	sub register_extcmd {	1253	sub register_extcmd {
875	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
876		1255
877	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
878	}	1263	}
879		1264
880	cf::player->attach (	1265	cf::player->attach (
881	on_command => sub {	1266	on_command => sub {
882	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1276	cf::override;
892	},	1277	},
893	on_extcmd => sub {	1278	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
895		1280
896	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1282
898	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
904	} else {	1298	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1300	}
907		1301
908	cf::override;	1302	cf::override;
909	},	1303	},
910	);	1304	);
911		1305
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
947	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1311	next unless -r $path;
949	eval {	1312
950	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
951	1	1369	}
952	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
953	}	1375	};
954	}	1376	}
955		1377
956	#############################################################################	1378	#############################################################################
957		1379
		1380	=back
		1381
958	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
959		1383
960	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
961		1385
962	=cut	1386	=cut
…		…
966	use Coro::AIO;	1390	use Coro::AIO;
967		1391
968	=head3 cf::player	1392	=head3 cf::player
969		1393
970	=over 4	1394	=over 4
		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
971		1409
972	=item cf::player::find $login	1410	=item cf::player::find $login
973		1411
974	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
975		1413
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1453
1016	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
1019	}	1462	}
1020	}	1463	}
1021	}	1464	}
1022		1465
…		…
1032		1475
1033	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1035		1478
1036	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1037	Coro::cede;	1480	cf::cede_to_tick;
1038	}	1481	}
1039		1482
1040	sub new($) {	1483	sub new($) {
1041	my ($login) = @_;	1484	my ($login) = @_;
1042		1485
…		…
1046	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1047		1490
1048	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1049		1492
1050	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1051	}	1504	}
1052		1505
1053	=item $pl->quit_character	1506	=item $pl->quit_character
1054		1507
1055	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1563	or return [];
1111		1564
1112	my @logins;	1565	my @logins;
1113		1566
1114	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1118		1576
1119	utf8::decode $login;	1577	utf8::decode $login;
1120	push @logins, $login;	1578	push @logins, $login;
1121	}	1579	}
1122		1580
…		…
1149	}	1607	}
1150		1608
1151	\@paths	1609	\@paths
1152	}	1610	}
1153		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1154	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1155		1706
1156	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1157		1708
1158	=cut	1709	=cut
1159		1710
1160	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1162		1713
1163	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1715	}
1167		1716
1168	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1169		1718
1170	Sends an ext event to the client.	1719	Sends an ext event to the client.
1171		1720
1172	=cut	1721	=cut
1173		1722
1174	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1176		1725
1177	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1178	}	1727	}
1179		1728
1180	=head3 cf::region	1729	=head3 cf::region
1181		1730
1182	=over 4	1731	=over 4
…		…
1185		1734
1186	package cf::region;	1735	package cf::region;
1187		1736
1188	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1189		1738
1190	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1191		1740
1192	=cut	1741	=cut
1193		1742
1194	sub find_by_path($) {	1743	sub find_by_path($) {
1195	my ($path) = @_;	1744	my ($path) = @_;
1196		1745
1197	my ($match, $specificity);	1746	my ($match, $specificity);
1198		1747
1199	for my $region (list) {	1748	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1203	}	1752	}
1204	}	1753	}
1205		1754
…		…
1226	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1228		1777
1229	sub generate_random_map {	1778	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1231	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1784	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1269	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1270		1822
1271	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1272	local $self->{path};	1824	local $self->{path};
1273	local $self->{load_path};	1825	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1826
1277	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1278	}	1828	}
1279		1829
1280	sub normalise {	1830	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1328	return $self;	1878	return $self;
1329	}	1879	}
1330	}	1880	}
1331		1881
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1883	()
1334	}	1884	}
1335		1885
1336	sub init {	1886	sub init {
1337	my ($self) = @_;	1887	my ($self) = @_;
…		…
1352		1902
1353	# the original (read-only) location	1903	# the original (read-only) location
1354	sub load_path {	1904	sub load_path {
1355	my ($self) = @_;	1905	my ($self) = @_;
1356		1906
1357	"$MAPDIR($self->{path}"	1907	"$MAPDIR/$self->{path}.map"
1358	}	1908	}
1359		1909
1360	# the temporary/swap location	1910	# the temporary/swap location
1361	sub save_path {	1911	sub save_path {
1362	my ($self) = @_;	1912	my ($self) = @_;
1363		1913
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1365	"$TMPDIR/$path"	1915	"$TMPDIR/$path.map"
1366	}	1916	}
1367		1917
1368	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1369	sub uniq_path {	1919	sub uniq_path {
1370	my ($self) = @_;	1920	my ($self) = @_;
…		…
1380		1930
1381	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1383	}	1933	}
1384		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1385	sub unlink_save {	1943	sub unlink_save {
1386	my ($self) = @_;	1944	my ($self) = @_;
1387		1945
1388	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1950
1393	sub load_header_from($) {	1951	sub load_header_from($) {
1394	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1395		1953
1396	utf8::encode $path;	1954	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1402		1963
1403	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1404		1965
1405	1	1966	1
1406	}	1967	}
…		…
1445	$self->load_header_orig	2006	$self->load_header_orig
1446	or return;	2007	or return;
1447	$self->prepare_orig;	2008	$self->prepare_orig;
1448	}	2009	}
1449		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1450	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2015	unless $self->default_region;
1452		2016
1453	1	2017	1
1454	}	2018	}
…		…
1457	sub find {	2021	sub find {
1458	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1459		2023
1460	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1461		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1463		2028
1464	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1466	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1467	or return;	2034	or return;
1468		2035
1469	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1470		2037
1471	$map->load_header	2038	$map->load_header
1472	or return;	2039	or return;
1473		2040
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1477	$map->reset;	2046	$map->reset;
1478	undef $guard;
1479	return find $path;	2047	return find $path;
1480	}	2048	}
1481		2049
1482	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1483	}	2051	}
…		…
1490	my ($self) = @_;	2058	my ($self) = @_;
1491		2059
1492	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1493		2061
1494	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1496		2066
		2067	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2069
1499	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1500		2071
1501	$self->alloc;	2072	$self->alloc;
1502		2073
1503	$self->pre_load;	2074	$self->pre_load;
1504	Coro::cede;	2075	cf::cede_to_tick;
1505		2076
1506	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1507	or return;	2080	or return;
1508		2081
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	2083	if delete $self->{load_original};
1511		2084
1512	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2086	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2089	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1517	}	2093	}
1518	}	2094	}
1519		2095
1520	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1521	# now do the right thing for maps	2099	# now do the right thing for maps
1522	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2102	unless $self->difficulty;
1533	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1534	$self->activate;	2112	$self->activate;
1535	Coro::cede;	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	2119	}
1537		2120
1538	$self->post_load;	2121	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2122	}
1543		2123
1544	sub customise_for {	2124	sub customise_for {
1545	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1546		2126
1547	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2128	if $self->per_player;
1549		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1550	$self	2133	$self
1551	}	2134	}
1552		2135
1553	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2137	sub load_neighbours {
1555	my ($map) = @_;	2138	my ($map) = @_;
1556		2139
1557	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1558		2141
1559	for (0 .. 3) {	2142	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1561	or next;	2144	or next;
1562	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1563	or next;	2146	or next;
1564	$neigh->load;	2147	$neigh->load;
1565		2148
		2149	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2152	}
1569		2153
1570	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1572	or next;	2157	or next;
1573	$neigh->load;	2158	$neigh->load;
1574	}	2159	}
1575	}	2160	}
1576		2161
…		…
1581	}	2166	}
1582		2167
1583	sub do_load_sync {	2168	sub do_load_sync {
1584	my ($map) = @_;	2169	my ($map) = @_;
1585		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1586	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1587	}	2175	}
1588		2176
1589	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1591		2179
1592	sub find_async {	2180	sub find_async {
1593	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1594		2182
1595	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1596		2184
1597	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2187	}
1600		2188
1601	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1602	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1603	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2196	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2197	$map->load if $v;
		2198	}
1608		2199
1609	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1610	}	2201	}
1611	}	2202	}
1612	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1613	};	2204	};
1614	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2208	}
1618		2209
1619	sub save {	2210	sub save {
1620	my ($self) = @_;	2211	my ($self) = @_;
1621		2212
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2214
1624	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1625		2216
1626	return unless $self->dirty;	2217	return unless $self->dirty;
1627		2218
…		…
1633	return if $self->{deny_save};	2224	return if $self->{deny_save};
1634		2225
1635	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1636		2227
1637	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1639	};	2231	};
1640		2232
1641	if ($uniq) {	2233	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2242	my ($self) = @_;
1651		2243
1652	# save first because save cedes	2244	# save first because save cedes
1653	$self->save;	2245	$self->save;
1654		2246
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2248
1657	return if $self->players;	2249	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2251	return if $self->{deny_save};
1660		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2257	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2258	}
1664		2259
1665	sub reset_at {	2260	sub reset_at {
1666	my ($self) = @_;	2261	my ($self) = @_;
1667		2262
1668	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1671		2265
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2268
…		…
1685	my ($self) = @_;	2279	my ($self) = @_;
1686		2280
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2282
1689	return if $self->players;	2283	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2284
1692	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1693		2286
1694	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1695		2288
1696	# need to save uniques path	2289	# need to save uniques path
1697	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2294	if $uniq;
1702	}	2295	}
1703		2296
1704	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1705		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2301	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2302
1710	$self->unlink_save;	2303	$self->unlink_save;
1711	$self->destroy;	2304	$self->destroy;
1712	}	2305	}
1713		2306
1714	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1715		2308
1716	sub nuke {	2309	sub nuke {
1717	my ($self) = @_;	2310	my ($self) = @_;
1718		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1719	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1720		2316
1721	$self->unlink_save;	2317	$self->unlink_save;
1722		2318
1723	bless $self, "cf::map";	2319	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2324
1729	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1730		2327
1731	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1732	}	2365	}
1733		2366
1734	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1735		2368
1736	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2370	instantiated unique items. May block.
1738		2371
1739	=cut	2372	=cut
1740		2373
1741	sub unique_maps() {	2374	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2375	[
1743	or return;	2376	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2377	utf8::decode $_;
1749	next if /\.pst$/;	2378	/\.map$/
1750	next unless /^$PATH_SEP/o;	2379	? normalise $_
1751		2380	: ()
1752	push @paths, cf::map::normalise $_;	2381	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2382	]
1754
1755	\@paths
1756	}	2383	}
1757
1758	package cf;
1759		2384
1760	=back	2385	=back
1761		2386
1762	=head3 cf::object	2387	=head3 cf::object
1763		2388
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1779	}	2404	}
1780		2405
1781	sub inv_recursive {	2406	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1783	}	2436	}
1784		2437
1785	package cf;	2438	package cf;
1786		2439
1787	=back	2440	=back
…		…
1806		2459
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2461
1809	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1811	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1814	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1815	}	2487	}
1816		2488
1817	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1818		2490
1819	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1867		2539
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2541
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1872		2544
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2546	}
1875		2547
1876	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1878		2552
1879	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1880		2554
1881	unless ($map) {	2555	unless ($map) {
1882	# restore original map position	2556	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1899		2573
1900	$map->load;	2574	$map->load;
1901	$map->load_diag;	2575	$map->load_neighbours;
1902		2576
1903	return unless $self->contr->active;	2577	return unless $self->contr->active;
1904	$self->activate_recursive;	2578	$self->activate_recursive;
1905		2579
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1908	}	2582	}
1909		2583
1910	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2585
1914	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1918	};	2590	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2591
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1945		2595
1946	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2601
1949	$self->enter_link;	2602	$self->enter_link;
1950		2603
1951	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
1952	my $map = eval {	2626	my $map = eval {
1953	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
		2631	$map = $check->($map) if $check && $map;
		2632	} else {
		2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
		2635
1955	$map	2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2642	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1960	})->prio (1);	2650	})->prio (1);
1961	}	2651	}
1962		2652
1963	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
1964		2654
…		…
2001	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
2002	}	2692	}
2003		2693
2004	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
2005		2695
2006	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
2007	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
2009		2699
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
…		…
2033	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
2035		2725
2036	$self->enter_link;	2726	$self->enter_link;
2037		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
2038	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2039	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2736	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2042		2738
2043	1;	2739	1;
…		…
2069		2765
2070	utf8::encode $text;	2766	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2768	}
2073		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
2074	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2075		2895
2076	Sends an exti event to the client.	2896	Sends an ext event to the client.
2077		2897
2078	=cut	2898	=cut
2079		2899
2080	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2082		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
2085	}	2927	}
2086		2928
2087	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2088		2930
2089	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2934
2093	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2936	become reliable at some point in the future.
2095		2937
2096	=cut	2938	=cut
2097		2939
2098	sub cf::client::query {	2940	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2949	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2951
2110	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
2112	}	2956	}
2113		2957
2114	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
2115	on_reply => sub {	2964	on_reply => sub {
2116	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
2117		2966
2118	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
2119	# get handled first	2968	# get handled first
…		…
2131	} else {	2980	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2982	}
2134	}	2983	}
2135	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
2136	);	3011	);
2137		3012
2138	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
2139		3014
2140	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2183		3058
2184	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2185		3060
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2187		3066
2188	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2189		3068
2190	=pod	3069	=pod
2191		3070
2192	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2193		3072
2194	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2195	cf::object::player player	3077	cf::object::player
2196	cf::player peaceful	3078	player
2197	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2198		3085
2199	=cut	3086	=cut
2200		3087
2201	for (	3088	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2203	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2206	) {	3095	) {
2207	no strict 'refs';	3096	no strict 'refs';
…		…
2278	=back	3167	=back
2279		3168
2280	=cut	3169	=cut
2281		3170
2282	#############################################################################	3171	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3172	# the server's init and main functions
2457		3173
2458	sub load_facedata($) {	3174	sub load_facedata($) {
2459	my ($path) = @_;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3182
2461	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2462		3184
2463	my $facedata;	3185	my $facedata;
2464	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2468		3190
2469	$facedata->{version} == 2	3191	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2472	{	3201	{
2473	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2474		3203
2475	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3211
		3212	cf::cede_to_tick;
2481	}	3213	}
2482		3214
2483	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2485	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2486	or next;	3219	or next;
		3220
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3224	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3226	}
2492	Coro::cede;	3227
		3228	cf::cede_to_tick;
2493	}	3229	}
2494	}	3230	}
2495		3231
2496	{	3232	{
2497	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2498		3234
2499	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3237	cf::cede_to_tick;
2502	}	3238	}
2503		3239
2504	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2505	}	3241	}
2506		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2507	1	3278	1
2508	}	3279	}
2509		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
2510	sub reload_regions {	3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
2511	load_resource_file "$MAPDIR/regions"	3314	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
2513	}	3321	}
2514		3322
2515	sub reload_facedata {	3323	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3324	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3325	or die "unable to load facedata\n";
2518	}	3326	}
2519		3327
2520	sub reload_archetypes {	3328	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3329	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
2523	}	3336	}
2524		3337
2525	sub reload_treasures {	3338	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3343	sub reload_resources {
2531	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
2532		3345
2533	reload_regions;	3346	reload_regions;
2534	reload_facedata;	3347	reload_facedata;
		3348	#reload_archetypes;#d#
2535	reload_archetypes;	3349	reload_archetypes;
2536	reload_treasures;	3350	reload_treasures;
2537		3351
2538	warn "finished reloading resource files\n";	3352	warn "finished reloading resource files\n";
2539	}	3353	}
2540		3354
2541	sub init {	3355	sub init {
2542	reload_resources;	3356	reload_resources;
2543	}	3357	}
2544		3358
2545	sub cfg_load {	3359	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3361	or return;
2548		3362
2549	local $/;	3363	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2551		3365
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3367
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2566	sub main {	3380	sub main {
2567	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3384	(async {
2571	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2573	};	3388	};
2574		3389
2575	cfg_load;	3390	reload_config;
2576	db_init;	3391	db_init;
2577	load_extensions;	3392	load_extensions;
2578		3393
2579	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2580	Event::loop;	3396	EV::loop;
2581	}	3397	}
2582		3398
2583	#############################################################################	3399	#############################################################################
2584	# initialisation and cleanup	3400	# initialisation and cleanup
2585		3401
2586	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2587	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2596	},
2597	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2598	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2599	}	3491	}
2600		3492
2601	sub emergency_save() {	3493	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2603		3495
…		…
2609	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3507	$pl->save;
2615	}	3508	}
2616	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2617		3510
2618	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2624	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2625		3518
2626	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2629	};	3526	};
2630		3527
2631	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2632	}	3529	}
2633		3530
…		…
2648	warn "reloading...";	3545	warn "reloading...";
2649		3546
2650	warn "entering sync_job";	3547	warn "entering sync_job";
2651		3548
2652	cf::sync_job {	3549	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3551	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2656		3553
2657	warn "syncing database to disk";	3554	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3556
2660	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2661
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666		3558
2667	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2668	for (;;) {	3560	for (;;) {
2669	BDB::flush;	3561	BDB::flush;
2670	IO::AIO::flush;	3562	IO::AIO::flush;
2671	Coro::cede;	3563	Coro::cede_notself;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";	3565	warn "iterate...";
2674	}	3566	}
2675		3567
2676	++$RELOAD;	3568	++$RELOAD;
…		…
2680	%EXT_CORO = ();	3572	%EXT_CORO = ();
2681		3573
2682	warn "removing commands";	3574	warn "removing commands";
2683	%COMMAND = ();	3575	%COMMAND = ();
2684		3576
2685	warn "removing ext commands";	3577	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2687		3580
2688	warn "unloading/nuking all extensions";	3581	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2691		3584
…		…
2734	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2735	require cf;	3628	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3630
2738	warn "loading config and database again";	3631	warn "loading config and database again";
2739	cf::cfg_load;	3632	cf::reload_config;
2740		3633
2741	warn "loading extensions";	3634	warn "loading extensions";
2742	cf::load_extensions;	3635	cf::load_extensions;
2743		3636
2744	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
2751	warn "leaving sync_job";	3644	warn "leaving sync_job";
2752		3645
2753	1	3646	1
2754	} or do {	3647	} or do {
2755	warn $@;	3648	warn $@;
2756	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3650	};
2759		3651
2760	warn "reloaded";	3652	warn "reloaded";
2761	};	3653	};
2762		3654
…		…
2764		3656
2765	sub reload_perl() {	3657	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3658	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3659	# coro crashes during coro_state_free->destroy here.
2768		3660
2769	$RELOAD_WATCHER ||= Event->timer (	3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;	3662	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3663	undef $RELOAD_WATCHER;
2776	},
2777	);	3664	};
2778	}	3665	}
2779		3666
2780	register_command "reload" => sub {	3667	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2782		3669
2783	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
		3672	async {
		3673	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3674	reload_perl;
		3675	};
2786	}	3676	}
2787	};	3677	};
2788		3678
2789	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2790		3680
…		…
2792		3682
2793	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
2795		3685
2796	sub wait_for_tick {	3686	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
2798	return if $Coro::current == $Coro::main;	3688	return if $Coro::current == $Coro::main;
2799		3689
2800	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3692	$signal->wait;
2803	}	3693	}
2804		3694
2805	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
2807	return if $Coro::current == $Coro::main;	3697	return if $Coro::current == $Coro::main;
2808		3698
2809	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3701	$signal->wait;
2812	}	3702	}
2813		3703
2814	$TICK_WATCHER = Event->timer (	3704	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
2824	return;	3708	return;
2825	}	3709	}
2826		3710
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2830		3712
2831	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;
2833
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3715	Coro::async_pool {
		3716	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3717	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3719	};
		3720	}
2841		3721
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3723	$sig->send;
2853	}	3724	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3726	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	3727	}
2860	);	3728
		3729	$LOAD = ($NOW - $TICK_START) / $TICK;
		3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3731
		3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
		3738	}
		3739	}
2861		3740
2862	{	3741	{
2863	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3743
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
2873		3745	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3747
2889	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3754
2892	cf::sync_job {	3755	cf::sync_job {
2893	eval {	3756	eval {
2894	BDB::db_env_open	3757	BDB::db_env_open
2895	$DB_ENV,	3758	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3762	0666;
2900		3763
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3765	};
2906		3766
2907	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3768	};
2909	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
2910	}	3780	}
2911		3781
2912	{	3782	{
		3783	# configure IO::AIO
		3784
2913	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
2918	reentrant => 0,	3788	}
2919	data => WF_AUTOCANCEL,	3789
2920	fd => IO::AIO::poll_fileno,	3790	my $_log_backtrace;
2921	poll => 'r',	3791
2922	prio => 6,	3792	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3793	my ($msg, @addr) = @_;
2924	);	3794
		3795	$msg =~ s/\n//;
		3796
		3797	# limit the # of concurrent backtraces
		3798	if ($_log_backtrace < 2) {
		3799	++$_log_backtrace;
		3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
		3803	my @bt = fork_call {
		3804	@addr = map { sprintf "%x", $_ } @addr;
		3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3807	or die "addr2line: $!";
		3808
		3809	my @funcs;
		3810	my @res = <$fh>;
		3811	chomp for @res;
		3812	while (@res) {
		3813	my ($func, $line) = splice @res, 0, 2, ();
		3814	push @funcs, "[$func] $line";
		3815	}
		3816
		3817	@funcs
		3818	};
		3819
		3820	LOG llevInfo, "[ABT] $msg\n";
		3821	LOG llevInfo, "[ABT] $_\n" for @bt;
		3822	--$_log_backtrace;
		3823	};
		3824	} else {
		3825	LOG llevInfo, "[ABT] $msg\n";
		3826	LOG llevInfo, "[ABT] [suppressed]\n";
		3827	}
2925	}	3828	}
2926		3829
2927	# load additional modules	3830	# load additional modules
2928	use cf::pod;	3831	use cf::pod;
2929		3832

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